!"#$%&'()*%+ ! ,#-./01 234)567893: ; <234=8> ; #< <3?@AB3CD@ EFGH@I'J32K3'L393:MN3?O3?NPC :4CG@353:QR !"#$%&'()*%+ ! ,#-./ !"#$%&'()*%+ ! ,#-./01 234)567893: ; <234=8> ; #< <3?@AB3CD@ EFGH@I'J32K3'L393:MN3?O3?NPC :4CG@353:QR !"#$%&'()*%+ ! ,#-./ < !STUVWSX!Y#VW Z[!\]&SX-.-S".-%T.-F Z!* '()*%+! <I#^_[`3N a!T!!" I#^_bcad!de3Nfg!h a!T!!" 0I#^_i_\g!h a!T!!" jI#^_a`i_\g!h a!T!!" EI#^_[`3N a!T!!" %&F Z!*'(),#-_\c!\aS TUSk./ < 1I#^_YT!clSTU a!T!!" ;I#^_i_\ a!T!!" ,#-_\c!\aSTUSk./ mI#^_ncad!de3Nfg!h a!T!!" ,#-_\c!\aSTUSk./ oH!\!" %g!h&F Z!* '(),#-./ !"#$%&'()*&+%& , /"0/1/23 4567 )kTp-]qr_.s.t!"*-!\+u V3:WSX-$_UX\X#$vd`w)l_3: Ya qS"ca!kcX.Y]\ #$ -3:#$vd/!cxSpcxSp(-yjz* yjz*yEz*-3:d{cX(-.d|!}*g!-$* c~SX/!$•!.-* l#$d{cX(-cXTq.€ YY*(-•c€.€clu-\ cxSpS"ca!%y0z*yjz* y<1z*yEz*-S"ca!%v3:U`%SX"`‚c#$%*- XƒSX#$T•d`wcxSp q`a*-\u *-\€:UcX-$.3d„~…*Z E *Z„~!U%€q /!c|icX,T†3#S"\*-$.+‡!}` a:/!X\hag!suSkSa q- e+-\\SX X!Sˆ$.v3 j #$d{cX€•.€\dd{ +ca!\d‰Šq*`icX,T†h0o.U]\ ,`icX,$._ZSXnh<*0j.Sk -Xjo‹ Yaa•yjz*yEz*-$ d{ q- c.aa•*.t!"SY!\ *S"ca!-dŒ*S"ca!T+!dŒ^a` *-\-!•g!Ua!T!-g!SX€u‚c#$ Ya*-3:#$d{]iŽqu*T!iUS c#$• !T•d€$ *TrcX‚•a‚T!SXc#$ TŽ ‘)a3![!\+ca! iu.-/!^3"P~*:Y '*A+'(*#!SXT.-S~]Z.-S~])a3 (*iu%…†SX3H!hT.-cX![X!\+U-e #$.-Ua!g!. *hacX^d-S~]/! yz*yz*y<ozg!hT.-c!Yv-.-S"U€Uq* #&*~*& 0 U]U* cX`•X!\+.-TU#! _ )a3+ k*SaT•d3:-XYaX\X /!SXa!g!. X\X3#].-* SXT•dU a!g!|U`.sYaSX. w`e‘)a 3a\*U/!#-]!"3:%-cqg!h+#’ _\c!\a* *-*•-. g!+v! Yy<z*y;z*y<z*y0z*y;z* ymz*y<z*y<z*y<0z*y<jz*y<mz*yozwq#$cX+v!Ya!\]g!h _-}33"P~*:Y'*A+'(SX`Tu}T.-]VUv *&SX3:W-T[!\]w#$-c"+T^€a- Ya-. g!+v!U.‚-dSXT!!\+* anU`Tu. g!+v!!"&T.-S~] #$-d 3#S"\*Sa+v!.-* SX-- 3: €Tp.†SkqSc!"S‚X\* (Yn"!+v!S/’ !"#$%&$$'( )(*+,- /01 3`d!/X"!SX•S/T!’ “3+`Tu\ !u#^ g!-!" % &T.-F Z!*'(),#-_\c!\aY #Sk./ “3+v!`Tu\ !u#^ g!-!" %&T.-F Z!*'(),#-_\c!\aS TUSk./ “:#-/!.au#!]!" %&T .-F Z!*'()uSk”#-+ j "0 897:7;< =>?@*A7;BC5DE< !|X~d~c~~*-!\+u V3:W[j !\+u Se€j1 1[-!\+uVW*P~V~W* 'T~dV'W*3~dV3dW*'~VW*ZVZW*•!V•!W*?cV?dW* ~VW*–\TTV–\W*cVW*•V•W*!cVW*A~VAW*!~ V!W!\+uAVAW“Se€mSXZdVZW“Se€<dh€Us #pˆ#TpUh#!\+_(g!h +ˆ #$ SXs3:yz*yEz :]-|cŒ*SX‚mE;C@'8/e,*-!\+u—c˜ [0!\+u%~ !*ld{+—-!\+u ˜- !\+u’Z*A*SX0!\+ucyzY.#$scX cd*cSX#$.™a!cX …#!~c~_-3:!\+•-* ~c~c|c#$/SX0š_ckXv.ckX{U< ~c~VET < WSXckX{v_Tu!\+uU;~c~VjT < j E W 3•d•.ag! -0šSXjdU‚c#$|!* !\+•*-0šU‚c#$-jd…^S"\*.-Sk *!\+•-*~c~jd!\]SX0š%?dyEz*yz 3!\+u !~c~ 3!\+u !~c~ < Z y8zd 0T < E0 ?d yP~z0š 1 jd ET < m A yFz0d jT < Ej yP~z0š m jd o ET < j1 yP~z0š o jd ET < EE –\ yP~z0š o jd o ET < j; ~ yP~z0š < jd o ET < E1 yP~z0š jd o ET < jm ' yP~z0š jd o ET < E; • yP~z0š < jd o ET < Eo 3d yP~z0š 0 jd o ET < Em yP~z0š jd o ET < E ' yP~z0š j jd o ET < 1o A yP~z0š 0 jd o ET < E< Z yP~z0š E jd o ET < 1 ! yP~z0š 0 jd ET < E •! yP~z0š 1 jd o ET < –pSX-/~c~SX0š*-!\+u#$X< U…\!\+u|!%~ ?dU~c~/SX-0š!i~ E g!\†!d*xcX”`~c~*sXU~VU3: ›Wœ\!\+ulcq% !U~c~vc|c#$/SX- 0š*sXU~VU3:hWymz*yEz 0š o jd 3U~~ ' 3d ' Z •! ?d 0š < 0š 0š 0 0š j 0š E 0š 1 0š 1 jd 3U~ –\ • A ! 0š 1•< 0š 1• 0š 1•0 0š 1•j 0š 1•E 0š 1•1 0š 0 jd -!\+•3:*?d*!U`~c~,+ickjdl- 3:.-.YUZ^dx#S"\cXd!0š o *0š 1 *0š 0 cX•!/ S•vSkTp}u*c|\`•\c|\XXick0š- 3:U!#kq!/S•UyEz F#$.€€›*`Tu-~c~0š\Tjd*- ~c~0šlcqe-~c~jT < j E †Sk-d+X+.Y U#^g!s €_Tu3:3#S"\*€_- 3:#$g!\ e_\ !^-~c~jd ET < 3X•€hau!*-3:U•€.Y u!%~ !`Tu€ /!hSX`Tu€ !|X “Zp /!h-€#$€,Tp ccXTp-.€!\+•_(~/!‚_a€q i!\+•3!\+i_TpUcXTp‚cp(-ck~c~X .a€qi‚c+% ! “-€]!|Xdw\-3:cXdg!c!"!|X g!-T† ~c~SX-0š*|!+cX”`~c~ SXT!U”`~c~vymz*yEz*yz -€ !|Xdw\-3:cXvU*€ %*X!T†_- • SX`TuYTuS"c™#’.uc#$+*a` TY*a`U\• !vU/SXh#_-3:cX•3X*` Tu3:U-vUY#cX•<h•0 1 ‘U›*.‚[qvU#cX•<h•0cXdžSk -3:UhdTp.€€~c~`il}€‚c#$T Sk.€€~c~w‡Yd!de#k*p nU-•! <• * ~ 0• cX/*-A <• *Z <• * 0• *' 0• .‡/ "#!-3:/!U%€SXTp dU~c~`i^ ckS}X{*hacX~c~0š3!\+uU%€}cX0š o SX0š 0 * U%€\ !cX-!\+uXick0š/||\~c~ $%&!X!T†-vg!_-3: `-Ug! c!"~`/#u_q-0š3!\+i_Tp X!cXTp c|\~c~SX0šymz F$G!HI$J&$1$5 - cX-.cq.UU\*X!-†V%'SX 3dSXqW-3:džŸ*U`v#u.Y*dŒa| #_\iF!\]%~ !*.uc#$+*a`U\*a `TY]a€!|X`VTp#]a•^•!*AWyz*yz 234151'%()*+ymz ,Tu S"c€ 3!\+u Z A ~ ' 3d ' Z –Vf < W *o< 0*01 E*< E*11 E*11 1*o “ 1*j0 V o W jm j<j m<o ;o0 mE o<0 o;o o1< T V o W <1oo o<j 01o 01o o1 <o “ E1o ,Tu S"c€ 3!\+u •! ?d –\ • ! A ! –Vf < W j*<0 1*;m ;*<j ;*jE ;*1; m*oE m*< E*mj m*;j V o W ;<E < E; ;o joo j<j Eoo ;<0 E1j T V o W 0o <;<o <0;o <o <;o <mo 1<o <o <E;o KF$L&M$ n.‡.cq./SX.cq./ -.cq ^dq.u†/Sk.Y.€.Y#.Y .€Žed|‘a`<oo“0oo o -.cq eu-\X .Y.€q”$SX!-!\+u -dSk-c~ ; ^a`#SX.uU(-dSk3 < **Z*'* < *•(q #$$.SkTu-.cq#8c*!***„~*• dw\a *-3:v#k?-e • “<*0 “<* +-.cq e#k*hacX#kUU*(-d wcaSk--3:/„SX 'N 0 dqXX!u .YsSa-3:.Y./yz*yjz*yEz NOP#/$$J&$1$ Q,P 414161417 - yz*ymz*yEz < N #$/! ,-!}- VNW * < VN W hc < V < N 0 W ^;oo ¡<oo o -/!d!de3N \c#.!} q€Us*cX$/*.UU\# < N U\^+ <ooo o 414161518 X. _SYe*#$q. • -dSkd!de3 h./?-e†|!. _VNW %E“;*j 234161,-.&/0123456 7 yz 3: ~ '¢3d Z ?d –\ A ! V. _W 1*“;*0 1*“1*0 1*o“1*0 E*; E*< 1 E*<“1* E - • .Yed!de3 cX. _%-d!dev- •!V#*•W-VNW N < .Y .€*(/!cX&SXS/cp,•8cVNW SXVNW < yz*ymz m 414161617)'9:8 -c yz*ymz*yz < V < N 0 W < NV E¡;W.‡ #k-. _ccsdž*SS"\##--c .}d!ded#kdqc -cc#$vd]--.}-!\+uUcdž hqX-v/*S€d#„~VCCW -ccei_\qX-.uU ;oo o i€ec#$* • ##$-e,#-sc#$, -. _SX!-c_( < V < N 0 W < N£ < N •N•N < • < N F!-c_-/!qX < N %#$~*'* SXZŽ!c_~*'*!`SXY#3 !! .Y.€SXhTrqX~N < VX!SXW*' E N VX!i!~W*SX 0 N 1 VX!i!~W#v!\+-cX\ !!Y# .•# < *TrqX~ < N V.YX!hX!qW*' < N VX!W* SX < N VX![qW -cc < V < N 0 W o < NU`‡ < N 0 o < N:/!X\ #$vd.x!"] -c.}q 414161;1'9:8 -3:U-.€}*a€ck*-dSXšlu+ .‚qvqSku•SYSX•!-u•SYqv qSk-3:cXc~!**T!š*•-3:qv /Sk/!u••!.-#-’~***~\c~~ ~V•–8W*•:`/_vU!‚c+.Tuvp3:‚ - • SX 0• U.‚qvqSk-u•cX-$ •!!€SX-$]cqX\cX…'SX –•':uSk…'*v#$qXcX-$TcSUi •…'\ -i•#k|!u€h^ckS}Uv ‘S{[`*vqXuSk-3:VCCCWUdq P …'‘S{[`cX P • …'V%“WY# o [...]... di õy: Sa khoang K Sung, Phu Vang Dn in Khụng dn in Tuyn tnh in Cac san phm khac Tuyn t cng ụ thp Khụng t Tuyn t cng ụ cao Khụng t Cac san phm khac Cú t GARNET Cú t MONAZIT Hinh 3.1 S tuyờn monazit v cỏc khoỏng vt khỏc t sa khoỏng K Sung, Phỳ Vang, Tha Thiờn Hu 3.1.2 Thanh phn cac nguyờn t cú trong tinh qung monazit K Sung, Phu Vang Thnh phn cac nguyờn t cú trong tinh qung monazit K Sung, Phu Vang, ... ra ICP-MS cũn c s dung nh l mụt detector cho LC, CE, GC 26 Chng 3 KT QUA VA THAO LUN 3.1 T HIM T SA KHOANG K SUNG, PH VANG, THA THIấN HU 3.1.1 Lam giau monazit t sa khoang K Sung, Phu Vang Qung t him t sa khoang K Sung, Phu Vang, Tha Thiờn Hu c x lớ bng cac phng phap võt lớ thụng thng tach riờng cac khoang võt t him Sau khi tuyn trng lc ti K Sung, Phu Vang, qung cha t him c tuyn ly monazit v cac khoang... Sung - Phỳ Vang Nghiờn cu s phu thu c cua hiu sut thu nhõn tụng oxit t him vo: - Nng ụ dung dich NaOH (M) - Cụng sut cua lũ vi súng (W) - T l dung dich NaOH/qung (ml/g) - Thi gian phõn huy qung (phut) 2.4.3 Tin hanh thớ nghiờm 24 2.4.3.1 S dung phng phỏp thy luyn bng kim ờ nghiờn cu quỏ trỡnh thu nhn tng oxit cỏc NTH t monazit K Sung - Phỳ Vang Cỏch tin hanh: Tinh qung monazit K Sung, Phu Vang c sy... [Ln(OH)3] trong dung dich HCl a dung dich vờ pH = 3,5 tach kt tua Th(OH) 4 Sau ú, dựng dung dich H 2C2O4 bóo hũa 800C kt tua ht lng clorua t him trong dung dich mui kt tua Ln 2(C2O4)3 khoang 12gi, ri lc ly kt tua v ra li bng dung dich H 2C2O4 1% Sy khụ oxalat t him 1000C trong vũng 4gi, sau ú cho vo chộn s v tin hnh nung nhit ụ 9000C trong 2gi ta thu c tụng oxit t him Ln2O3 Hiu sut cua qua trinh thu. .. gian phõn huy qung n hiu sut thu nhõn tụng oxit cac NTH tng i rừ rt Hiu sut thu nhõn tng theo s tng cua nhit ụ phõn huy Thi gian cho hiu qua kinh t cao nht theo chung tụi l 240 phut 3.3 NGHIấN CU THU NHN TNG OXIT T HIM T TINH QUNG MONAZIT K SUNG, PH VANG BNG PHNG PHAP THUY LUYấN VI SểNG VI DUNG DCH KIM Qua qua trinh nghiờn cu thu nhõn tụng oxit cac NTH t tinh qung monazit Phu Vang, Tha Thiờn Hu bng phng... sut may trong thi gian xac inh Phan ng phõn huy qung bng vi súng xay ra nh sau: LnPO4 + 3NaOH 25 Ln(OH)3 + Na3PO4 Cac giai on tip theo tiờn hnh ging nh phng phap thuy luyn thụng thng vi kiờm trờn Hiu sut cua qua trinh thu nhõn c tớnh theo cụng thc (2.1) 2.4.2.3 Hiu sut quỏ trỡnh thu nhn tng oxit t him t monazit trong sa khoỏng K Sung, Phỳ Vang: = a 100 (%) 0, 57m (2.1) Trong ú: a: Khi lng tụng oxit. .. chung tụi tin hnh nghiờn cu thu nhõn tụng cac NTH bng phng phap kiờm v loi b tp cht 3.2 NGHIấN CU THU NHN TNG OXIT T HIM T TINH QUNG MONAZIT K SUNG, PH VANG BNG PHNG PHAP KIM 3.2.1 Anh hng ca nng NaOH n hiờu sut thu nhõn tụng oxit t him Cac thớ nghim nghiờn cu anh hng cua nng ụ NaOH n hiu sut thu nhõn tụng oxit t him c tin hnh trong iờu kin: Kớch thc tinh qung . e#k*hacX#kUU*(-d wcaSk--3:/„SX 'N 0 dqXX!u .Ys Sa -3:.Y./yz*yjz*yEz NOP#/$$J&$1$ Q,P 414161417 -